Heart Fitness

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Across
  1. 4. one of the tubes that carries blood from the heart to all parts of the body
  2. 5. constantly high blood pressure
  3. 6. force as the heart contracts
  4. 7. electrocardiogram
Down
  1. 1. the pressure exerted by blood on the veins and arteries
  2. 2. cardiac ______ the complete sequence of a heart beat
  3. 3. force as the heart relaxes